The contact owns a 2013 GMC Terrain. The contact stated that the engine was making an abnormal knocking sound. While driving, at various speeds, the vehicle was jerking. The lights were dim. The contact had to add additional oil every 7 days. There were no warning lights illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 55,000.

- Buford, GA, USA

The contact owns a 2013 GMC Terrain. The contact stated that the vehicle was consuming 1 to 3 quarts of oil for every few miles. The contact stated that the cross member was covered in oil. The vehicle was taken to the local dealer, where it was diagnosed that the timing chain had jumped and there was no compression in the engine. The contact was informed that the rod bearings were damaged. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 143,000.

- Pinconning, MI, USA

The contact's mother owns a 2013 GMC Terrain. The contact stated while she was driving at approximately 30 MPH, the vehicle shuddered and stalled. The contact stated that the check engine warning light was illuminated. The contact had the vehicle towed to a local dealer, where it was diagnosed and determined that the cam shaft sensor and timing chain needed to be replaced. Additionally, the dealer found that the oil level was very low level after having had an oil change the same day. The vehicle had not been repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 129,000. The VIN was unavailable.

- Alorton, IL, USA

The stability track gave an error and the engine now slow. The error doesn't let the vehicle to accelerate. The check engine light also went on.

- Haverhill, MA, USA